J.A. Hertl

3.4k total citations · 1 hit paper
40 papers, 2.7k citations indexed

About

J.A. Hertl is a scholar working on Agronomy and Crop Science, Genetics and Small Animals. According to data from OpenAlex, J.A. Hertl has authored 40 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Agronomy and Crop Science, 30 papers in Genetics and 8 papers in Small Animals. Recurrent topics in J.A. Hertl's work include Genetic and phenotypic traits in livestock (30 papers), Milk Quality and Mastitis in Dairy Cows (22 papers) and Reproductive Physiology in Livestock (15 papers). J.A. Hertl is often cited by papers focused on Genetic and phenotypic traits in livestock (30 papers), Milk Quality and Mastitis in Dairy Cows (22 papers) and Reproductive Physiology in Livestock (15 papers). J.A. Hertl collaborates with scholars based in United States, Netherlands and Denmark. J.A. Hertl's co-authors include Yrjö T. Gröhn, Y.H. Schukken, G.J. Bennett, Rubén N. González, Stefan Eicker, Loren W. Tauer, F.L. Welcome, H. F. Schulte, Elva Cha and G. Opsomer and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Journal of Dairy Science.

In The Last Decade

J.A. Hertl

39 papers receiving 2.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Risk factors for post partum ovarian dysfunction in high producing dairy cows in Belgium: A field study

2000 423 citations G. Opsomer, Yrjö T. Gröhn et al. Theriogenology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
J.A. Hertl United States	24	2.3k	1.4k	685	511	501	40	2.7k
D.F. Kelton Canada	24	1.1k 0.5×	644 0.5×	601 0.9×	192 0.4×	378 0.8×	52	1.7k
F.L. Welcome United States	20	1.6k 0.7×	672 0.5×	301 0.4×	733 1.4×	167 0.3×	26	1.9k
L.S. Caixeta United States	22	1.3k 0.6×	658 0.5×	852 1.2×	125 0.2×	678 1.4×	73	2.0k
J. Dubuc Canada	24	1.9k 0.8×	1.0k 0.7×	915 1.3×	103 0.2×	522 1.0×	95	2.4k
C.L. Guard United States	26	2.2k 0.9×	1.3k 0.9×	1.6k 2.4×	113 0.2×	989 2.0×	67	3.3k
Rubén N. González United States	29	2.5k 1.1×	906 0.6×	451 0.7×	1.3k 2.5×	231 0.5×	56	3.3k
Vasia S. Mavrogianni Greece	22	1.2k 0.5×	399 0.3×	465 0.7×	381 0.7×	234 0.5×	100	1.6k
N. Castro Spain	29	1.2k 0.5×	491 0.3×	966 1.4×	403 0.8×	788 1.6×	107	2.4k
R. D. Murray United Kingdom	25	1.2k 0.5×	622 0.4×	1.6k 2.3×	100 0.2×	846 1.7×	87	2.6k
M. Reist Switzerland	22	964 0.4×	509 0.4×	436 0.6×	136 0.3×	298 0.6×	64	1.6k

Countries citing papers authored by J.A. Hertl

Since Specialization

Citations

This map shows the geographic impact of J.A. Hertl's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J.A. Hertl with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J.A. Hertl more than expected).

Fields of papers citing papers by J.A. Hertl

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J.A. Hertl. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J.A. Hertl. The network helps show where J.A. Hertl may publish in the future.

Co-authorship network of co-authors of J.A. Hertl

This figure shows the co-authorship network connecting the top 25 collaborators of J.A. Hertl. A scholar is included among the top collaborators of J.A. Hertl based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J.A. Hertl. J.A. Hertl is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Shehzad, Wasim, et al.. (2023). Molecular detection of Coxiella burnetii in raw meat samples collected from different abattoirs in districts Kasur and Lahore of Punjab, Pakistan. PLoS ONE. 18(8). e0289944–e0289944. 3 indexed citations

Hertl, J.A., et al.. (2022). Economics of reducing antibiotic usage for pathogen-specific clinical mastitis through genomic selection and disease management. Preventive Veterinary Medicine. 204. 105642–105642. 3 indexed citations

Hertl, J.A., Y.H. Schukken, Loren W. Tauer, F.L. Welcome, & Yrjö T. Gröhn. (2017). Does clinical mastitis in the first 100 days of lactation 1 predict increased mastitis occurrence and shorter herd life in dairy cows?. Journal of Dairy Science. 101(3). 2309–2323. 21 indexed citations

Cha, Elva, et al.. (2015). Evidence of no protection for a recurrent case of pathogen specific clinical mastitis from a previous case. Journal of Dairy Research. 83(1). 72–80. 14 indexed citations

Cha, Elva, Anders Ringgaard Kristensen, J.A. Hertl, et al.. (2014). Optimal insemination and replacement decisions to minimize the cost of pathogen-specific clinical mastitis in dairy cows. Journal of Dairy Science. 97(4). 2101–2117. 30 indexed citations

Hertl, J.A., Y.H. Schukken, F.L. Welcome, Loren W. Tauer, & Yrjö T. Gröhn. (2014). Effects of pathogen-specific clinical mastitis on probability of conception in Holstein dairy cows. Journal of Dairy Science. 97(11). 6942–6954. 35 indexed citations

Cha, Elva, D. Bar, J.A. Hertl, et al.. (2011). The cost and management of different types of clinical mastitis in dairy cows estimated by dynamic programming. Journal of Dairy Science. 94(9). 4476–4487. 101 indexed citations

Hertl, J.A., Y.H. Schukken, Doron Bar, et al.. (2011). The effect of recurrent episodes of clinical mastitis caused by gram-positive and gram-negative bacteria and other organisms on mortality and culling in Holstein dairy cows. Journal of Dairy Science. 94(10). 4863–4877. 66 indexed citations

Schukken, Y.H., D. Bar, J.A. Hertl, & Yrjö T. Gröhn. (2010). Correlated time to event data: Modeling repeated clinical mastitis data from dairy cattle in New York State. Preventive Veterinary Medicine. 97(3-4). 150–156. 25 indexed citations

10.

Cha, Elva, J.A. Hertl, D. Bar, & Yrjö T. Gröhn. (2010). The cost of different types of lameness in dairy cows calculated by dynamic programming. Preventive Veterinary Medicine. 97(1). 1–8. 208 indexed citations

11.

Bar, Doron, Yrjö T. Gröhn, G.J. Bennett, et al.. (2008). Effects of Repeated Episodes of Generic Clinical Mastitis on Mortality and Culling in Dairy Cows. Journal of Dairy Science. 91(6). 2196–2204. 52 indexed citations

12.

Gröhn, Yrjö T., et al.. (2007). How University Researchers Can Contribute to Farm-to-Table Risk Assessments: Listeria monocytogenes as an Example. Foodborne Pathogens and Disease. 4(4). 527–537. 2 indexed citations

13.

Bar, Doron, Yrjö T. Gröhn, G.J. Bennett, et al.. (2007). Effect of Repeated Episodes of Generic Clinical Mastitis on Milk Yield in Dairy Cows. Journal of Dairy Science. 90(10). 4643–4653. 65 indexed citations

14.

Gröhn, Yrjö T., David J. Wilson, Rubén N. González, et al.. (2004). Effect of Pathogen-Specific Clinical Mastitis on Milk Yield in Dairy Cows. Journal of Dairy Science. 87(10). 3358–3374. 298 indexed citations

15.

Gröhn, Yrjö T., Päivi J. Rajala‐Schultz, Heather Allore, et al.. (2003). Optimizing replacement of dairy cows: modeling the effects of diseases. Preventive Veterinary Medicine. 61(1). 27–43. 87 indexed citations

16.

Allore, Heather, L. D. Warnick, J.A. Hertl, & Yrjö T. Gröhn. (2001). Censoring in survival analysis: a simulation study of the effect of milk yield on conception. Preventive Veterinary Medicine. 49(3-4). 223–234. 12 indexed citations

17.

Opsomer, Geert, et al.. (2000). Protein metabolism and the resumption of ovarian cyclicity post partum in high yielding dairy cows.. Reproduction in Domestic Animals. 3 indexed citations

18.

Opsomer, G., Yrjö T. Gröhn, J.A. Hertl, et al.. (2000). Risk factors for post partum ovarian dysfunction in high producing dairy cows in Belgium: A field study. Theriogenology. 53(4). 841–857. 423 indexed citations breakdown →

19.

Gröhn, Yrjö T., Stefan Eicker, Vincent Ducrocq, & J.A. Hertl. (1998). Effect of Diseases on the Culling of Holstein Dairy Cows in New York State. Journal of Dairy Science. 81(4). 966–978. 209 indexed citations

20.

Eicker, Stefan, Yrjö T. Gröhn, & J.A. Hertl. (1996). The Association Between Cumulative Milk Yield, Days Open, and Days to First Breeding in New York Holstein Cows. Journal of Dairy Science. 79(2). 235–241. 77 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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